我国成年人抗坏血酸的RNI和UL分别为每日(mg)()
A.50,500
B.60,600
C.75,750
D.100,1000
E.150,1500
参考答案:D
Two days later, the fighting between the two countries left the area .
A.in fear
B.in silence
C.in ruins
D.in peace
下面程序的执行结果是 [7] 。 #include<iostream.h> void main()int a=0,b=2,c=0,d=30;if(